Rewrite -2x^2 + sqrt(3)xy -

how do i solve this equation?21(X-(1/7))^2= 3/7 thx Divide both sides by 21 Take the square root of both sides. Rewrite it as x
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2. asked by Emma
3. 464 views
Evaluate sqrt7x (sqrt x-7 sqrt7) Show your work.sqrt(7)*sqrt(x)-sqrt(7)*7*sqrt(7) sqrt(7*x)-7*sqrt(7*7) sqrt(7x)-7*sqrt(7^2)
1. 1 answer
2. asked by Alexa
3. 3,200 views
2^x+20=15+3^xA)1 B)16 C)-5 D)25 I chose c but i got it wrong i am having a problem understanding it. Let me rewrite the question
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2. asked by jessica
3. 634 views
sqrt 6 * sqrt 8also sqrt 7 * sqrt 5 6.92820323 and 5.916079783 So you can see the steps — sqrt 6 * sqrt 8 = sqrt 48 sqrt 7 *
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2. asked by Tina
3. 726 views
Which of the following measurements could be the side lengths of a right triangle?A. /sqrt{126}in, /sqrt{54} in, /sqrt{63}in B.
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2. asked by Optional
3. 100 views
Find the distance between these two points using the Pythagorean Theorem.Which choice is correct? (1 point) sqrt(6 ^ 2) + 3 ^ 2
1. 1 answer
2. asked by Connexus_solver
3. 71 views
(- 3, 5)X (7, - 1) Find the distance between these two points using the Pythagorean Theorem. Which choice is correct? (1 point)
1. 1 answer
2. 83 views
When I solve the inquality 2x^2 - 6 < 0,I get x < + or - sqrt(3) So how do I write the solution? Is it (+sqrt(3),-sqrt(3)) or
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2. asked by Jen
3. 1,286 views
Put the steps in order used to simplify the expression below sqrt(28) + 3sqrt(63) (5 points) equiv sqrt 4*7 +3 sqrt 9*7; equiv
1. 1 answer
2. 47 views
1)Find the exact value of cos 105 by using a half-angle formula.A)sqrt 2 - sqrt 3 /2 B)-sqrt 2 - sqrt 3 /2 C)-sqrt 2 + sqrt 3 /2
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2. asked by Jon
3. 3,577 views